git-svn-id: svn://localhost/ardour2/branches/3.0@6678 d708f5d6-7413-0410-9779-e7cbd77b26cf
1559 lines
33 KiB
C++
1559 lines
33 KiB
C++
/*
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Copyright (C) 2000-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <fstream>
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#include <algorithm>
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#include <unistd.h>
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#include <locale.h>
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#include <errno.h>
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#include <glibmm.h>
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#include <glibmm/thread.h>
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#include "pbd/xml++.h"
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#include "pbd/replace_all.h"
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#include "pbd/unknown_type.h"
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#include "pbd/enumwriter.h"
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#include "ardour/audioengine.h"
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#include "ardour/buffer.h"
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#include "ardour/io.h"
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#include "ardour/route.h"
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#include "ardour/port.h"
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#include "ardour/audio_port.h"
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#include "ardour/midi_port.h"
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#include "ardour/session.h"
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#include "ardour/cycle_timer.h"
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#include "ardour/buffer_set.h"
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#include "ardour/meter.h"
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#include "ardour/amp.h"
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#include "ardour/user_bundle.h"
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#include "i18n.h"
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#include <cmath>
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/*
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A bug in OS X's cmath that causes isnan() and isinf() to be
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"undeclared". the following works around that
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*/
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#if defined(__APPLE__) && defined(__MACH__)
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extern "C" int isnan (double);
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extern "C" int isinf (double);
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#endif
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#define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (_session.engine().process_lock())
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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const string IO::state_node_name = "IO";
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bool IO::connecting_legal = false;
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PBD::Signal0<int> IO::ConnectingLegal;
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PBD::Signal1<void,ChanCount> IO::PortCountChanged;
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/** @param default_type The type of port that will be created by ensure_io
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* and friends if no type is explicitly requested (to avoid breakage).
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*/
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IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
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: SessionObject (s, name)
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, _direction (dir)
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, _default_type (default_type)
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{
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_active = true;
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pending_state_node = 0;
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setup_bundle ();
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}
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IO::IO (Session& s, const XMLNode& node, DataType dt)
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: SessionObject(s, "unnamed io")
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, _direction (Input)
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, _default_type (dt)
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{
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_active = true;
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pending_state_node = 0;
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set_state (node, Stateful::loading_state_version);
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setup_bundle ();
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}
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IO::~IO ()
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{
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Glib::Mutex::Lock lm (io_lock);
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BLOCK_PROCESS_CALLBACK ();
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for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
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_session.engine().unregister_port (*i);
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}
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}
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void
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IO::silence (nframes_t nframes)
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{
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/* io_lock, not taken: function must be called from Session::process() calltree */
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for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
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i->get_buffer(nframes).silence (nframes);
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}
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}
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void
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IO::check_bundles_connected ()
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{
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check_bundles (_bundles_connected, ports());
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}
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void
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IO::check_bundles (std::vector<UserBundleInfo*>& list, const PortSet& ports)
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{
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std::vector<UserBundleInfo*> new_list;
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for (std::vector<UserBundleInfo*>::iterator i = list.begin(); i != list.end(); ++i) {
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uint32_t const N = (*i)->bundle->nchannels ();
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if (_ports.num_ports (default_type()) < N) {
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continue;
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}
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bool ok = true;
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for (uint32_t j = 0; j < N; ++j) {
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/* Every port on bundle channel j must be connected to our input j */
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Bundle::PortList const pl = (*i)->bundle->channel_ports (j);
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for (uint32_t k = 0; k < pl.size(); ++k) {
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if (ports.port(j)->connected_to (pl[k]) == false) {
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ok = false;
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break;
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}
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}
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if (ok == false) {
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break;
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}
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}
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if (ok) {
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new_list.push_back (*i);
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} else {
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delete *i;
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}
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}
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list = new_list;
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}
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int
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IO::disconnect (Port* our_port, string other_port, void* src)
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{
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if (other_port.length() == 0 || our_port == 0) {
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return 0;
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}
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{
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BLOCK_PROCESS_CALLBACK ();
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{
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Glib::Mutex::Lock lm (io_lock);
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/* check that our_port is really one of ours */
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if ( ! _ports.contains(our_port)) {
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return -1;
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}
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/* disconnect it from the source */
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if (our_port->disconnect (other_port)) {
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error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
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return -1;
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}
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check_bundles_connected ();
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}
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}
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changed (ConnectionsChanged, src); /* EMIT SIGNAL */
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_session.set_dirty ();
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return 0;
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}
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int
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IO::connect (Port* our_port, string other_port, void* src)
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{
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if (other_port.length() == 0 || our_port == 0) {
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return 0;
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}
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{
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BLOCK_PROCESS_CALLBACK ();
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{
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Glib::Mutex::Lock lm (io_lock);
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/* check that our_port is really one of ours */
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if ( ! _ports.contains(our_port) ) {
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return -1;
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}
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/* connect it to the source */
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if (our_port->connect (other_port)) {
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return -1;
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}
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}
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}
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changed (ConnectionsChanged, src); /* EMIT SIGNAL */
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_session.set_dirty ();
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return 0;
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}
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int
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IO::remove_port (Port* port, void* src)
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{
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IOChange change (NoChange);
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{
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BLOCK_PROCESS_CALLBACK ();
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{
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Glib::Mutex::Lock lm (io_lock);
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if (_ports.remove(port)) {
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change = IOChange (change|ConfigurationChanged);
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if (port->connected()) {
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change = IOChange (change|ConnectionsChanged);
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}
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_session.engine().unregister_port (*port);
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check_bundles_connected ();
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}
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}
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PortCountChanged (n_ports()); /* EMIT SIGNAL */
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}
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if (change & ConfigurationChanged) {
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setup_bundle ();
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}
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if (change != NoChange) {
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changed (change, src);
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_session.set_dirty ();
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return 0;
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}
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return -1;
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}
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/** Add an output port.
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*
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* @param destination Name of input port to connect new port to.
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* @param src Source for emitted ConfigurationChanged signal.
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* @param type Data type of port. Default value (NIL) will use this IO's default type.
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*/
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int
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IO::add_port (string destination, void* src, DataType type)
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{
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Port* our_port;
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if (type == DataType::NIL) {
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type = _default_type;
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}
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{
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BLOCK_PROCESS_CALLBACK ();
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{
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Glib::Mutex::Lock lm (io_lock);
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/* Create a new output port */
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string portname = build_legal_port_name (type);
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if (_direction == Input) {
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if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
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error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
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return -1;
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}
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} else {
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if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
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error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
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return -1;
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}
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}
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_ports.add (our_port);
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}
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PortCountChanged (n_ports()); /* EMIT SIGNAL */
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}
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if (destination.length()) {
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if (our_port->connect (destination)) {
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return -1;
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}
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}
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// pan_changed (src); /* EMIT SIGNAL */
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changed (ConfigurationChanged, src); /* EMIT SIGNAL */
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setup_bundle ();
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_session.set_dirty ();
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return 0;
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}
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int
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IO::disconnect (void* src)
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{
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{
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BLOCK_PROCESS_CALLBACK ();
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{
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Glib::Mutex::Lock lm (io_lock);
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for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
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i->disconnect_all ();
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}
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check_bundles_connected ();
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}
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}
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changed (ConnectionsChanged, src); /* EMIT SIGNAL */
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return 0;
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}
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bool
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IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
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{
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Port* port = 0;
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bool changed = false;
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for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
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const size_t n = count.get(*t);
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/* remove unused ports */
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for (size_t i = n_ports().get(*t); i > n; --i) {
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port = _ports.port(*t, i-1);
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assert(port);
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_ports.remove(port);
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_session.engine().unregister_port (*port);
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changed = true;
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}
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/* create any necessary new ports */
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while (n_ports().get(*t) < n) {
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string portname = build_legal_port_name (*t);
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try {
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if (_direction == Input) {
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if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
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error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
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return -1;
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}
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} else {
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if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
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error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
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return -1;
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}
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}
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}
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catch (AudioEngine::PortRegistrationFailure& err) {
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/* pass it on */
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throw AudioEngine::PortRegistrationFailure();
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}
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_ports.add (port);
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changed = true;
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}
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}
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if (changed) {
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check_bundles_connected ();
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PortCountChanged (n_ports()); /* EMIT SIGNAL */
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_session.set_dirty ();
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}
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if (clear) {
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/* disconnect all existing ports so that we get a fresh start */
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for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
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i->disconnect_all ();
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}
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}
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return changed;
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}
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int
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IO::ensure_ports (ChanCount count, bool clear, bool lockit, void* src)
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{
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bool changed = false;
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if (count == n_ports() && !clear) {
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return 0;
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}
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if (lockit) {
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BLOCK_PROCESS_CALLBACK ();
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Glib::Mutex::Lock im (io_lock);
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changed = ensure_ports_locked (count, clear, src);
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} else {
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changed = ensure_ports_locked (count, clear, src);
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}
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if (changed) {
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this->changed (ConfigurationChanged, src); /* EMIT SIGNAL */
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setup_bundle ();
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_session.set_dirty ();
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}
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return 0;
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}
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int
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IO::ensure_io (ChanCount count, bool clear, void* src)
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{
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return ensure_ports (count, clear, true, src);
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}
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XMLNode&
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IO::get_state (void)
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{
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return state (true);
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}
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XMLNode&
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IO::state (bool /*full_state*/)
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{
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XMLNode* node = new XMLNode (state_node_name);
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char buf[64];
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string str;
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vector<string>::iterator ci;
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int n;
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LocaleGuard lg (X_("POSIX"));
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Glib::Mutex::Lock lm (io_lock);
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node->add_property("name", _name);
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id().print (buf, sizeof (buf));
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node->add_property("id", buf);
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node->add_property ("direction", enum_2_string (_direction));
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node->add_property ("default-type", _default_type.to_string());
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for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
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XMLNode* n = new XMLNode ("Bundle");
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n->add_property ("name", (*i)->bundle->name ());
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node->add_child_nocopy (*n);
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}
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for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
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vector<string> connections;
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XMLNode* pnode = new XMLNode (X_("Port"));
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pnode->add_property (X_("type"), i->type().to_string());
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pnode->add_property (X_("name"), i->name());
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if (i->get_connections (connections)) {
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for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
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/* if its a connection to our own port,
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return only the port name, not the
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whole thing. this allows connections
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to be re-established even when our
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client name is different.
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*/
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XMLNode* cnode = new XMLNode (X_("Connection"));
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cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
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pnode->add_child_nocopy (*cnode);
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}
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}
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node->add_child_nocopy (*pnode);
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}
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return *node;
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}
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int
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IO::set_state (const XMLNode& node, int version)
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{
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/* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
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* are input OR output, not both, so the direction needs to be specified
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* by the caller.
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*/
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assert (version >= 3000);
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const XMLProperty* prop;
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XMLNodeConstIterator iter;
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LocaleGuard lg (X_("POSIX"));
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/* force use of non-localized representation of decimal point,
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since we use it a lot in XML files and so forth.
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*/
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if (node.name() != state_node_name) {
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error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
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return -1;
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}
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if ((prop = node.property ("name")) != 0) {
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set_name (prop->value());
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}
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if ((prop = node.property (X_("default-type"))) != 0) {
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_default_type = DataType(prop->value());
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assert(_default_type != DataType::NIL);
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}
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if ((prop = node.property ("id")) != 0) {
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_id = prop->value ();
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}
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if ((prop = node.property ("direction")) != 0) {
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_direction = (Direction) string_2_enum (prop->value(), _direction);
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}
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if (create_ports (node, version)) {
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return -1;
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}
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if (connecting_legal) {
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if (make_connections (node, version, false)) {
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return -1;
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}
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} else {
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pending_state_node = new XMLNode (node);
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pending_state_node_version = version;
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pending_state_node_in = false;
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ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
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}
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return 0;
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}
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int
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IO::set_state_2X (const XMLNode& node, int version, bool in)
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{
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const XMLProperty* prop;
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XMLNodeConstIterator iter;
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LocaleGuard lg (X_("POSIX"));
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/* force use of non-localized representation of decimal point,
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since we use it a lot in XML files and so forth.
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*/
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if (node.name() != state_node_name) {
|
|
error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((prop = node.property ("name")) != 0) {
|
|
set_name (prop->value());
|
|
}
|
|
|
|
if ((prop = node.property (X_("default-type"))) != 0) {
|
|
_default_type = DataType(prop->value());
|
|
assert(_default_type != DataType::NIL);
|
|
}
|
|
|
|
if ((prop = node.property ("id")) != 0) {
|
|
_id = prop->value ();
|
|
}
|
|
|
|
_direction = in ? Input : Output;
|
|
|
|
if (create_ports (node, version)) {
|
|
return -1;
|
|
}
|
|
|
|
if (connecting_legal) {
|
|
|
|
if (make_connections_2X (node, version, in)) {
|
|
return -1;
|
|
}
|
|
|
|
} else {
|
|
|
|
pending_state_node = new XMLNode (node);
|
|
pending_state_node_version = version;
|
|
pending_state_node_in = in;
|
|
ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::connecting_became_legal ()
|
|
{
|
|
int ret;
|
|
|
|
assert (pending_state_node);
|
|
|
|
connection_legal_c.disconnect ();
|
|
|
|
ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
|
|
|
|
delete pending_state_node;
|
|
pending_state_node = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
boost::shared_ptr<Bundle>
|
|
IO::find_possible_bundle (const string &desired_name)
|
|
{
|
|
static const string digits = "0123456789";
|
|
const string &default_name = (_direction == Input ? _("in") : _("out"));
|
|
const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
|
|
|
|
boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
|
|
|
|
if (!c) {
|
|
int bundle_number, mask;
|
|
string possible_name;
|
|
bool stereo = false;
|
|
string::size_type last_non_digit_pos;
|
|
|
|
error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
|
|
<< endmsg;
|
|
|
|
// find numeric suffix of desired name
|
|
bundle_number = 0;
|
|
|
|
last_non_digit_pos = desired_name.find_last_not_of(digits);
|
|
|
|
if (last_non_digit_pos != string::npos) {
|
|
stringstream s;
|
|
s << desired_name.substr(last_non_digit_pos);
|
|
s >> bundle_number;
|
|
}
|
|
|
|
// see if it's a stereo connection e.g. "in 3+4"
|
|
|
|
if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
|
|
int left_bundle_number = 0;
|
|
string::size_type left_last_non_digit_pos;
|
|
|
|
left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
|
|
|
|
if (left_last_non_digit_pos != string::npos) {
|
|
stringstream s;
|
|
s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
|
|
s >> left_bundle_number;
|
|
|
|
if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
|
|
bundle_number--;
|
|
stereo = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// make 0-based
|
|
if (bundle_number)
|
|
bundle_number--;
|
|
|
|
// find highest set bit
|
|
mask = 1;
|
|
while ((mask <= bundle_number) && (mask <<= 1)) {}
|
|
|
|
// "wrap" bundle number into largest possible power of 2
|
|
// that works...
|
|
|
|
while (mask) {
|
|
|
|
if (bundle_number & mask) {
|
|
bundle_number &= ~mask;
|
|
|
|
stringstream s;
|
|
s << default_name << " " << bundle_number + 1;
|
|
|
|
if (stereo) {
|
|
s << "+" << bundle_number + 2;
|
|
}
|
|
|
|
possible_name = s.str();
|
|
|
|
if ((c = _session.bundle_by_name (possible_name)) != 0) {
|
|
break;
|
|
}
|
|
}
|
|
mask >>= 1;
|
|
}
|
|
if (c) {
|
|
info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
|
|
<< endmsg;
|
|
} else {
|
|
error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
|
|
<< endmsg;
|
|
}
|
|
|
|
}
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
int
|
|
IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
|
|
{
|
|
XMLProperty const * prop;
|
|
XMLNodeList children = node.children ();
|
|
|
|
uint32_t n_audio = 0;
|
|
|
|
for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
|
|
|
|
if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
|
|
n_audio = count (prop->value().begin(), prop->value().end(), '{');
|
|
} else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
|
|
n_audio = count (prop->value().begin(), prop->value().end(), '{');
|
|
}
|
|
}
|
|
|
|
ChanCount cnt;
|
|
cnt.set_audio (n_audio);
|
|
n = ChanCount::max (n, cnt);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
|
|
{
|
|
if (version < 3000) {
|
|
return get_port_counts_2X (node, version, n, c);
|
|
}
|
|
|
|
XMLProperty const * prop;
|
|
XMLNodeConstIterator iter;
|
|
uint32_t n_audio = 0;
|
|
uint32_t n_midi = 0;
|
|
ChanCount cnt;
|
|
|
|
n = n_ports();
|
|
|
|
if ((prop = node.property ("connection")) != 0) {
|
|
|
|
if ((c = find_possible_bundle (prop->value())) != 0) {
|
|
n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
|
|
|
|
if ((*iter)->name() == X_("Bundle")) {
|
|
if ((c = find_possible_bundle (prop->value())) != 0) {
|
|
n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if ((*iter)->name() == X_("Port")) {
|
|
prop = (*iter)->property (X_("type"));
|
|
|
|
if (!prop) {
|
|
continue;
|
|
}
|
|
|
|
if (prop->value() == X_("audio")) {
|
|
cnt.set_audio (++n_audio);
|
|
} else if (prop->value() == X_("midi")) {
|
|
cnt.set_midi (++n_midi);
|
|
}
|
|
}
|
|
}
|
|
|
|
n = ChanCount::max (n, cnt);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::create_ports (const XMLNode& node, int version)
|
|
{
|
|
ChanCount n;
|
|
boost::shared_ptr<Bundle> c;
|
|
|
|
get_port_counts (node, version, n, c);
|
|
|
|
if (ensure_ports (n, true, true, this)) {
|
|
error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
/* XXX use c */
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::make_connections (const XMLNode& node, int version, bool in)
|
|
{
|
|
if (version < 3000) {
|
|
return make_connections_2X (node, version, in);
|
|
}
|
|
|
|
const XMLProperty* prop;
|
|
|
|
for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
|
|
|
|
if ((*i)->name() == "Bundle") {
|
|
XMLProperty const * prop = (*i)->property ("name");
|
|
if (prop) {
|
|
boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
|
|
if (b) {
|
|
connect_ports_to_bundle (b, this);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
if ((*i)->name() == "Port") {
|
|
|
|
prop = (*i)->property (X_("name"));
|
|
|
|
if (!prop) {
|
|
continue;
|
|
}
|
|
|
|
Port* p = port_by_name (prop->value());
|
|
|
|
if (p) {
|
|
for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
|
|
|
|
XMLNode* cnode = (*c);
|
|
|
|
if (cnode->name() != X_("Connection")) {
|
|
continue;
|
|
}
|
|
|
|
if ((prop = cnode->property (X_("other"))) == 0) {
|
|
continue;
|
|
}
|
|
|
|
if (prop) {
|
|
p->connect (prop->value());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
|
|
{
|
|
const XMLProperty* prop;
|
|
|
|
/* XXX: bundles ("connections" as was) */
|
|
|
|
if ((prop = node.property ("inputs")) != 0 && in) {
|
|
|
|
string::size_type ostart = 0;
|
|
string::size_type start = 0;
|
|
string::size_type end = 0;
|
|
int i = 0;
|
|
int n;
|
|
vector<string> ports;
|
|
|
|
string const str = prop->value ();
|
|
|
|
while ((start = str.find_first_of ('{', ostart)) != string::npos) {
|
|
start += 1;
|
|
|
|
if ((end = str.find_first_of ('}', start)) == string::npos) {
|
|
error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
|
|
error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
|
|
|
|
return -1;
|
|
|
|
} else if (n > 0) {
|
|
|
|
|
|
for (int x = 0; x < n; ++x) {
|
|
/* XXX: this is a bit of a hack; need to check if it's always valid */
|
|
string::size_type const p = ports[x].find ("/out");
|
|
if (p != string::npos) {
|
|
ports[x].replace (p, 4, "/audio_out");
|
|
}
|
|
nth(i)->connect (ports[x]);
|
|
}
|
|
}
|
|
|
|
ostart = end+1;
|
|
i++;
|
|
}
|
|
|
|
}
|
|
|
|
if ((prop = node.property ("outputs")) != 0 && !in) {
|
|
|
|
string::size_type ostart = 0;
|
|
string::size_type start = 0;
|
|
string::size_type end = 0;
|
|
int i = 0;
|
|
int n;
|
|
vector<string> ports;
|
|
|
|
string const str = prop->value ();
|
|
|
|
while ((start = str.find_first_of ('{', ostart)) != string::npos) {
|
|
start += 1;
|
|
|
|
if ((end = str.find_first_of ('}', start)) == string::npos) {
|
|
error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
|
|
error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
|
|
|
|
return -1;
|
|
|
|
} else if (n > 0) {
|
|
|
|
for (int x = 0; x < n; ++x) {
|
|
/* XXX: this is a bit of a hack; need to check if it's always valid */
|
|
string::size_type const p = ports[x].find ("/in");
|
|
if (p != string::npos) {
|
|
ports[x].replace (p, 3, "/audio_in");
|
|
}
|
|
nth(i)->connect (ports[x]);
|
|
}
|
|
}
|
|
|
|
ostart = end+1;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::set_ports (const string& str)
|
|
{
|
|
vector<string> ports;
|
|
int i;
|
|
int n;
|
|
uint32_t nports;
|
|
|
|
if ((nports = count (str.begin(), str.end(), '{')) == 0) {
|
|
return 0;
|
|
}
|
|
|
|
// FIXME: audio-only
|
|
if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, true, this)) {
|
|
return -1;
|
|
}
|
|
|
|
string::size_type start, end, ostart;
|
|
|
|
ostart = 0;
|
|
start = 0;
|
|
end = 0;
|
|
i = 0;
|
|
|
|
while ((start = str.find_first_of ('{', ostart)) != string::npos) {
|
|
start += 1;
|
|
|
|
if ((end = str.find_first_of ('}', start)) == string::npos) {
|
|
error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
|
|
return -1;
|
|
}
|
|
|
|
if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
|
|
error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
|
|
|
|
return -1;
|
|
|
|
} else if (n > 0) {
|
|
|
|
for (int x = 0; x < n; ++x) {
|
|
connect (nth (i), ports[x], this);
|
|
}
|
|
}
|
|
|
|
ostart = end+1;
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::parse_io_string (const string& str, vector<string>& ports)
|
|
{
|
|
string::size_type pos, opos;
|
|
|
|
if (str.length() == 0) {
|
|
return 0;
|
|
}
|
|
|
|
pos = 0;
|
|
opos = 0;
|
|
|
|
ports.clear ();
|
|
|
|
while ((pos = str.find_first_of (',', opos)) != string::npos) {
|
|
ports.push_back (str.substr (opos, pos - opos));
|
|
opos = pos + 1;
|
|
}
|
|
|
|
if (opos < str.length()) {
|
|
ports.push_back (str.substr(opos));
|
|
}
|
|
|
|
return ports.size();
|
|
}
|
|
|
|
int
|
|
IO::parse_gain_string (const string& str, vector<string>& ports)
|
|
{
|
|
string::size_type pos, opos;
|
|
|
|
pos = 0;
|
|
opos = 0;
|
|
ports.clear ();
|
|
|
|
while ((pos = str.find_first_of (',', opos)) != string::npos) {
|
|
ports.push_back (str.substr (opos, pos - opos));
|
|
opos = pos + 1;
|
|
}
|
|
|
|
if (opos < str.length()) {
|
|
ports.push_back (str.substr(opos));
|
|
}
|
|
|
|
return ports.size();
|
|
}
|
|
|
|
bool
|
|
IO::set_name (const string& requested_name)
|
|
{
|
|
string name = requested_name;
|
|
|
|
if (_name == name) {
|
|
return true;
|
|
}
|
|
|
|
/* replace all colons in the name. i wish we didn't have to do this */
|
|
|
|
if (replace_all (name, ":", "-")) {
|
|
warning << _("you cannot use colons to name objects with I/O connections") << endmsg;
|
|
}
|
|
|
|
for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
|
|
string current_name = i->name();
|
|
current_name.replace (current_name.find (_name), _name.val().length(), name);
|
|
i->set_name (current_name);
|
|
}
|
|
|
|
bool const r = SessionObject::set_name (name);
|
|
|
|
setup_bundle ();
|
|
|
|
return r;
|
|
}
|
|
|
|
void
|
|
IO::set_port_latency (nframes_t nframes)
|
|
{
|
|
Glib::Mutex::Lock lm (io_lock);
|
|
|
|
for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
|
|
i->set_latency (nframes);
|
|
}
|
|
}
|
|
|
|
nframes_t
|
|
IO::latency () const
|
|
{
|
|
nframes_t max_latency;
|
|
nframes_t latency;
|
|
|
|
max_latency = 0;
|
|
|
|
/* io lock not taken - must be protected by other means */
|
|
|
|
for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
|
|
if ((latency = i->total_latency ()) > max_latency) {
|
|
max_latency = latency;
|
|
}
|
|
}
|
|
|
|
return max_latency;
|
|
}
|
|
|
|
void
|
|
IO::update_port_total_latencies ()
|
|
{
|
|
/* io_lock, not taken: function must be called from Session::process() calltree */
|
|
|
|
for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
|
|
_session.engine().update_total_latency (*i);
|
|
}
|
|
}
|
|
|
|
int
|
|
IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
|
|
{
|
|
{
|
|
BLOCK_PROCESS_CALLBACK ();
|
|
Glib::Mutex::Lock lm2 (io_lock);
|
|
|
|
c->connect (_bundle, _session.engine());
|
|
|
|
/* If this is a UserBundle, make a note of what we've done */
|
|
|
|
boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
|
|
if (ub) {
|
|
|
|
/* See if we already know about this one */
|
|
std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
|
|
while (i != _bundles_connected.end() && (*i)->bundle != ub) {
|
|
++i;
|
|
}
|
|
|
|
if (i == _bundles_connected.end()) {
|
|
/* We don't, so make a note */
|
|
_bundles_connected.push_back (new UserBundleInfo (this, ub));
|
|
}
|
|
}
|
|
}
|
|
|
|
changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
|
|
{
|
|
{
|
|
BLOCK_PROCESS_CALLBACK ();
|
|
Glib::Mutex::Lock lm2 (io_lock);
|
|
|
|
c->disconnect (_bundle, _session.engine());
|
|
|
|
/* If this is a UserBundle, make a note of what we've done */
|
|
|
|
boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
|
|
if (ub) {
|
|
|
|
std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
|
|
while (i != _bundles_connected.end() && (*i)->bundle != ub) {
|
|
++i;
|
|
}
|
|
|
|
if (i != _bundles_connected.end()) {
|
|
delete *i;
|
|
_bundles_connected.erase (i);
|
|
}
|
|
}
|
|
}
|
|
|
|
changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
IO::disable_connecting ()
|
|
{
|
|
connecting_legal = false;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
IO::enable_connecting ()
|
|
{
|
|
connecting_legal = true;
|
|
boost::optional<int> r = ConnectingLegal ();
|
|
return r.get_value_or (0);
|
|
}
|
|
|
|
void
|
|
IO::bundle_changed (Bundle::Change /*c*/)
|
|
{
|
|
//XXX
|
|
// connect_input_ports_to_bundle (_input_bundle, this);
|
|
}
|
|
|
|
|
|
string
|
|
IO::build_legal_port_name (DataType type)
|
|
{
|
|
const int name_size = jack_port_name_size();
|
|
int limit;
|
|
string suffix;
|
|
|
|
if (type == DataType::AUDIO) {
|
|
suffix = _("audio");
|
|
} else if (type == DataType::MIDI) {
|
|
suffix = _("midi");
|
|
} else {
|
|
throw unknown_type();
|
|
}
|
|
|
|
/* note that if "in" or "out" are translated it will break a session
|
|
across locale switches because a port's connection list will
|
|
show (old) translated names, but the current port name will
|
|
use the (new) translated name.
|
|
*/
|
|
|
|
if (_direction == Input) {
|
|
suffix += X_("_in");
|
|
} else {
|
|
suffix += X_("_out");
|
|
}
|
|
|
|
// allow up to 4 digits for the output port number, plus the slash, suffix and extra space
|
|
|
|
limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
|
|
|
|
char buf1[name_size+1];
|
|
char buf2[name_size+1];
|
|
|
|
snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.val().c_str(), suffix.c_str());
|
|
|
|
int port_number = find_port_hole (buf1);
|
|
snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
|
|
|
|
return string (buf2);
|
|
}
|
|
|
|
int32_t
|
|
IO::find_port_hole (const char* base)
|
|
{
|
|
/* CALLER MUST HOLD IO LOCK */
|
|
|
|
uint32_t n;
|
|
|
|
if (_ports.empty()) {
|
|
return 1;
|
|
}
|
|
|
|
/* we only allow up to 4 characters for the port number
|
|
*/
|
|
|
|
for (n = 1; n < 9999; ++n) {
|
|
char buf[jack_port_name_size()];
|
|
PortSet::iterator i = _ports.begin();
|
|
|
|
snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
|
|
|
|
for ( ; i != _ports.end(); ++i) {
|
|
if (i->name() == buf) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == _ports.end()) {
|
|
break;
|
|
}
|
|
}
|
|
return n;
|
|
}
|
|
|
|
|
|
AudioPort*
|
|
IO::audio(uint32_t n) const
|
|
{
|
|
return _ports.nth_audio_port (n);
|
|
|
|
}
|
|
|
|
MidiPort*
|
|
IO::midi(uint32_t n) const
|
|
{
|
|
return _ports.nth_midi_port (n);
|
|
}
|
|
|
|
/**
|
|
* Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
|
|
*/
|
|
|
|
void
|
|
IO::setup_bundle ()
|
|
{
|
|
char buf[32];
|
|
|
|
if (!_bundle) {
|
|
_bundle.reset (new Bundle (_direction == Input));
|
|
}
|
|
|
|
_bundle->suspend_signals ();
|
|
|
|
_bundle->set_type (default_type ());
|
|
|
|
_bundle->remove_channels ();
|
|
|
|
if (_direction == Input) {
|
|
snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
|
|
} else {
|
|
snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
|
|
}
|
|
_bundle->set_name (buf);
|
|
uint32_t const ni = _ports.num_ports();
|
|
for (uint32_t i = 0; i < ni; ++i) {
|
|
_bundle->add_channel (bundle_channel_name (i, ni));
|
|
_bundle->set_port (i, _session.engine().make_port_name_non_relative (_ports.port(i)->name()));
|
|
}
|
|
|
|
_bundle->resume_signals ();
|
|
}
|
|
|
|
/** @return Bundles connected to our ports */
|
|
BundleList
|
|
IO::bundles_connected ()
|
|
{
|
|
BundleList bundles;
|
|
|
|
/* User bundles */
|
|
for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
|
|
bundles.push_back ((*i)->bundle);
|
|
}
|
|
|
|
/* Session bundles */
|
|
boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
|
|
for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
|
|
if ((*i)->connected_to (_bundle, _session.engine())) {
|
|
bundles.push_back (*i);
|
|
}
|
|
}
|
|
|
|
/* Route bundles */
|
|
|
|
boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
|
|
|
|
if (_direction == Input) {
|
|
for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
|
|
if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
|
|
bundles.push_back ((*i)->output()->bundle());
|
|
}
|
|
}
|
|
} else {
|
|
for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
|
|
if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
|
|
bundles.push_back ((*i)->input()->bundle());
|
|
}
|
|
}
|
|
}
|
|
|
|
return bundles;
|
|
}
|
|
|
|
|
|
IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
|
|
{
|
|
bundle = b;
|
|
b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
|
|
}
|
|
|
|
std::string
|
|
IO::bundle_channel_name (uint32_t c, uint32_t n) const
|
|
{
|
|
char buf[32];
|
|
|
|
switch (n) {
|
|
case 1:
|
|
return _("mono");
|
|
case 2:
|
|
return c == 0 ? _("L") : _("R");
|
|
default:
|
|
snprintf (buf, sizeof(buf), _("%d"), (c + 1));
|
|
return buf;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
string
|
|
IO::name_from_state (const XMLNode& node)
|
|
{
|
|
const XMLProperty* prop;
|
|
|
|
if ((prop = node.property ("name")) != 0) {
|
|
return prop->value();
|
|
}
|
|
|
|
return string();
|
|
}
|
|
|
|
void
|
|
IO::set_name_in_state (XMLNode& node, const string& new_name)
|
|
{
|
|
const XMLProperty* prop;
|
|
|
|
if ((prop = node.property ("name")) != 0) {
|
|
node.add_property ("name", new_name);
|
|
}
|
|
}
|
|
|
|
bool
|
|
IO::connected_to (boost::shared_ptr<const IO> other) const
|
|
{
|
|
if (!other) {
|
|
/* do we have any connections at all? */
|
|
|
|
for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
|
|
if (p->connected()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
assert (_direction != other->direction());
|
|
|
|
uint32_t i, j;
|
|
uint32_t no = n_ports().n_total();
|
|
uint32_t ni = other->n_ports ().n_total();
|
|
|
|
for (i = 0; i < no; ++i) {
|
|
for (j = 0; j < ni; ++j) {
|
|
if (nth(i)->connected_to (other->nth(j)->name())) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
|
|
{
|
|
BufferSet bufs;
|
|
|
|
/* don't read the data into new buffers - just use the port buffers directly */
|
|
|
|
bufs.attach_buffers (_ports, nframes, 0);
|
|
proc->run (bufs, start_frame, end_frame, nframes, true);
|
|
}
|
|
|
|
void
|
|
IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
|
|
{
|
|
assert(bufs.available() >= _ports.count());
|
|
|
|
if (_ports.count() == ChanCount::ZERO) {
|
|
return;
|
|
}
|
|
|
|
bufs.set_count (_ports.count());
|
|
|
|
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
|
|
PortSet::iterator i = _ports.begin(*t);
|
|
BufferSet::iterator b = bufs.begin(*t);
|
|
|
|
for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
|
|
if (b == bufs.end(*t)) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
for ( ; i != _ports.end(*t); ++i, ++b) {
|
|
Buffer& bb (i->get_buffer (nframes));
|
|
b->read_from (bb, nframes);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
|
|
{
|
|
// Copy any buffers 1:1 to outputs
|
|
|
|
PortSet::iterator o = _ports.begin(type);
|
|
BufferSet::iterator i = bufs.begin(type);
|
|
BufferSet::iterator prev = i;
|
|
|
|
while (i != bufs.end(type) && o != _ports.end (type)) {
|
|
Buffer& port_buffer (o->get_buffer (nframes));
|
|
port_buffer.read_from (*i, nframes, offset);
|
|
prev = i;
|
|
++i;
|
|
++o;
|
|
}
|
|
|
|
// Copy last buffer to any extra outputs
|
|
|
|
while (o != _ports.end(type)) {
|
|
Buffer& port_buffer (o->get_buffer (nframes));
|
|
port_buffer.read_from (*prev, nframes, offset);
|
|
++o;
|
|
}
|
|
}
|
|
|
|
Port*
|
|
IO::port_by_name (const std::string& str) const
|
|
{
|
|
/* to be called only from ::set_state() - no locking */
|
|
|
|
for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
|
|
|
|
const Port& p(*i);
|
|
|
|
if (p.name() == str) {
|
|
return const_cast<Port*>(&p);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|